Faʻafeiloaʻi i Shanghai Lianfeng Gas Co., Ltd., o le taʻutaʻua taʻutaʻua, faʻatau oloa, ma le falegaosimea o masini faʻapipiʻi faʻamaʻi faʻamaʻi maualuga maualuga i Saina. O a matou tekonolosi fou ma le tautinoga i le tulaga lelei e avea ai i matou ma filifiliga sili mo au faʻatupuina uma e manaʻomia. O matou Pressure Swing Adsorption Nitrogen system ua mamanuina ina ia lelei le gaosia o le kasa nitrogen maualuga-mama e ala i le faʻaogaina o le faʻaogaina o le faʻagasologa o le faʻafefeteina o le mamafa. Faatasi ai ma a matou meafaigaluega faʻapitoa, e mafai ona e faʻamoemoeina le faʻatuatuaina ma le tumau o le gaosiga o le nitrogen mo le tele o faʻaoga, e aofia ai le afifiina o meaʻai, gaosiga eletise, ma le gaosiga o vailaʻau. I Shanghai Lianfeng Gas Co., Ltd., matou te mitamita i le tuʻuina atu ia matou tagata faʻatau ni fofo e fetaui ma o latou manaʻoga. O la matou 'au o tagata tomai faapitoa e tuuto atu i le tuʻuina atu o faʻatinoga sili atu, tulaga faʻapitoa, ma le le mafaatusalia auaunaga a tagata faatau. Faatasi ai ma o matou poto masani ma tomai i le alamanuia, e mafai ona e faʻatuatuaina matou e tuʻuina atu fofo sili ona lelei o le gaosiga o le nitrogen e faʻatatau i au pisinisi manaʻoga. Filifili Shanghai Lianfeng Gas Co., Ltd. mo mea uma e te mana'omia ai le fa'aogaina o le fa'aogaina o le fa'aogaina o le nitrogen ma iloa le eseesega e mafai ona faia e uiga lelei ma le fa'amaoni.